. >> president obama will arrive in the bay area in just a few hours to push his plan to spend billions more on education, clean energy, and jobs. this will be a quick 24 hour trip for the president, and his 8th official visit to the bait area. he will have an intimate dinner at a private location with several hi-tech executives. that guess list hasn't been officially released but they including mark zekkerberg and google ceo eric schmidt. >> anti-government protests around the world. new social media is fueling even more revolutions but some are turning deadly. >> and tracking drugs at the lab. the study that raises concerns about some >> closed captioning brought to you by mancini sleepworld. >> a day of rage is brewing acrest the middle east and north africa. tens of thousands of demonstrators are gearing up in libya, yemen and bahrain. these fueled by the new social media. jenelle with the latest. >> cheryl, demonstrators across the middle east have started facebook.com pages and are tweeting away hoping to round up as many people as possible to try and overthrow their government. t